MASSACHUSETTS FINANCIAL SERVICES CO /MA/

Position in PFE — Pfizer Inc

CIK 912938 Boston, MA

Back to PFE Full portfolio

Position in PFE

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$1,598,084,183

+$206,846,437 QoQ

Shares Held

56,911,830

+1.9% QoQ

Ownership

0.999%

of shares outstanding

% of Portfolio

0.58%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 65.90060625356801.ToString("F0")% Shared 25.98790796219345.ToString("F0")% None 8.111485784238532.ToString("F0")%

Common Shares in PFE Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - General

Healthcare · as of Mar 31, 2026

MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $7,300,763,534 across 12 Drug Manufacturers - General names. PFE ranks #2 (21.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	JNJ	Johnson & Johnson	13,434,302	$3,283,880,778
2	PFE	Pfizer Inc This page	56,911,830	$1,598,084,183
3	ABBV	AbbVie Inc.	5,610,330	$1,220,190,668
4	GILD	Gilead Sciences, Inc.	6,281,609	$875,467,841
5	BIIB	Biogen Inc.	720,629	$132,112,911
6	BMY	Bristol Myers Squibb Co	1,050,815	$63,731,927
7	NVS	Novartis AG	246,655	$37,676,550
8	MRK	Merck & Co., Inc.	271,829	$32,698,308

All Filings in PFE

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,598,084,183	56,911,830	+1.9%	Shares	Defined	2026-05-14
2025-12-31	$1,391,237,746	55,873,002	-3.0%	Shares	Sole	2026-01-22
2025-09-30	$1,467,359,053	57,588,660	-23.7%	Shares	Defined	2025-10-29
2025-06-30	$1,829,497,563	75,474,322	+0.0%	Shares	Sole	2025-08-08
2025-03-31	$1,911,810,709	75,446,358	-1.4%	Shares	Sole	2025-05-02
2024-12-31	$2,029,604,370	76,502,238	+7.5%	Shares	Sole	2025-02-12
2024-09-30	$2,059,134,737	71,151,857	-0.9%	Shares	Sole	2024-11-12
2024-06-30	$2,008,797,682	71,794,056	+3.2%	Shares	Sole	2024-08-09
2024-03-31	$1,930,080,400	69,552,447	+1.5%	Shares	Sole	2024-05-14
2023-12-31	$1,972,300,432	68,506,441	+13.8%	Shares	Sole	2024-02-08
2023-09-30	$1,997,083,467	60,207,521	+9.4%	Shares	Sole	2023-11-08
2023-06-30	$2,018,209,450	55,022,068	+1.8%	Shares	Sole	2023-08-09
2023-03-31	$2,204,716,123	54,037,160	+9.6%	Shares	Sole	2023-05-10
2022-12-31	$2,525,228,379	49,282,365	+19.2%	Shares	Sole	2023-02-13
2022-09-30	$1,809,214,224	41,344,018	-2.2%	Shares	Sole	2022-11-09
2022-06-30	$2,215,565,966	42,257,600	-2.6%	Shares	Sole	2022-08-09
2022-03-31	$2,246,358,227	43,391,119	+28.2%	Shares	Sole	2022-05-11
2021-12-31	$1,999,049,053	33,853,498	-0.3%	Shares	Sole	2022-02-10
2021-09-30	$1,460,741,658	33,962,838	-1.0%	Shares	Sole	2021-11-10
2021-06-30	$1,343,346,046	34,304,036	-2.8%	Shares	Defined	2021-08-13
2021-03-31	$1,278,923,019	35,300,111	-1.1%	Shares	Sole	2021-05-13
2020-12-31	$1,313,976,419	35,696,181	-6.5%	Shares	Sole	2021-05-12
2020-09-30	$1,329,522,585	38,183,057	-3.6%	Shares	Sole	2020-11-12
2020-06-30	$1,228,322,319	39,591,755	+1.0%	Shares	Sole	2020-11-20
2020-03-31	$1,213,931,576	39,199,927	—	Shares	Sole	2020-11-20
No filing history on record for this holder in this stock.